Polionemobius annulicornis, Li, Kai, He, Zhuqing & Liu, Xianwei, 2010

Li, Kai, He, Zhuqing & Liu, Xianwei, 2010, Four new species of Nemobiinae from China (Orthoptera, Gryllidae, Nemobiinae), Zootaxa 2540, pp. 59-64 : 61

3. Polionemobius annulicornis sp. nov.

( Figs. 9–15 )

Material. Holotype 3, CHINA: Yunnan prov., Lijiang county, Hutiaoxia, 2009. IX.22, leg. He Zhu-Qing ( HSNU); Paratypes 33, 7ƤƤ, same data as hototype ( HSNU).

Description. Male. Body small and pubescent. Head little wider than pronotum ( Fig. 9 ); frontal rostrum as wide as 1st antennal joint. Pronotum transverse, anterior margin as wide as posterior margin. Fore tibiae with tympanum on outer surface. Hind tibia with three external dorsal spurs and four internal dorsal spurs ( Fig. 13 ); apex with six spurs with superior-internal apical spurs long. Tegmen extending to apex of abdomen with one oblique vein and mirror small ( Fig. 11 ). Wings absent. Genitalia ( Figs. 14–15 ).

Female. Tegmen straight and nearly extending to apex of abdomen with four or five veins on dorsal field and three or four on lateral field. Hind tibiae with three internal dorsal spurs. Ovipositor short and straight.

Coloration. Body black and legs brown. 4th joint of maxillary palpi white and others black as in Fig. 12 . Antenna black at first several joints and base half of antenna white with two joints black, end half black as in Fig. 10 . Two short yellow band behind eyes. Tegmina black.

Measurements. (in mm) Body 35.5–5.8, Ƥ5.2–5.5; pronotum 31.0, Ƥ1.0; tegmen 33.6–3.8, Ƥ2.0–2.2; posterior tibiae 34.0, Ƥ4.0–4.5; ovipositor 2.5–2.7.

Distribution. China (Yunnan).

Etymology. The new specific name refers to antennae with dark rings in the white section.

Discussion. This species is similar to Polionemobius flavoantennalis (Shiraki, 1911) , but can be distinguished by its antennae color.

Figures

FIGURES 9 – 15. Polionemobius annulicornis sp. nov. 9. body of female, dorsal view; 10. antenna; 11. tegmen of male, dorsal view; 12. maxillary palpus; 13. hind tibia of male; 14. genitalia of male, dorsal view; 15. genitalia of male, ventral view.